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Diffstat (limited to 'arch/x86/include/asm/asm.h')
-rw-r--r--arch/x86/include/asm/asm.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h
new file mode 100644
index 00000000000..56be78f582f
--- /dev/null
+++ b/arch/x86/include/asm/asm.h
@@ -0,0 +1,47 @@
+#ifndef _ASM_X86_ASM_H
+#define _ASM_X86_ASM_H
+
+#ifdef __ASSEMBLY__
+# define __ASM_FORM(x) x
+# define __ASM_EX_SEC .section __ex_table
+#else
+# define __ASM_FORM(x) " " #x " "
+# define __ASM_EX_SEC " .section __ex_table,\"a\"\n"
+#endif
+
+#ifdef CONFIG_X86_32
+# define __ASM_SEL(a,b) __ASM_FORM(a)
+#else
+# define __ASM_SEL(a,b) __ASM_FORM(b)
+#endif
+
+#define __ASM_SIZE(inst) __ASM_SEL(inst##l, inst##q)
+#define __ASM_REG(reg) __ASM_SEL(e##reg, r##reg)
+
+#define _ASM_PTR __ASM_SEL(.long, .quad)
+#define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8)
+
+#define _ASM_MOV __ASM_SIZE(mov)
+#define _ASM_INC __ASM_SIZE(inc)
+#define _ASM_DEC __ASM_SIZE(dec)
+#define _ASM_ADD __ASM_SIZE(add)
+#define _ASM_SUB __ASM_SIZE(sub)
+#define _ASM_XADD __ASM_SIZE(xadd)
+
+#define _ASM_AX __ASM_REG(ax)
+#define _ASM_BX __ASM_REG(bx)
+#define _ASM_CX __ASM_REG(cx)
+#define _ASM_DX __ASM_REG(dx)
+#define _ASM_SP __ASM_REG(sp)
+#define _ASM_BP __ASM_REG(bp)
+#define _ASM_SI __ASM_REG(si)
+#define _ASM_DI __ASM_REG(di)
+
+/* Exception table entry */
+# define _ASM_EXTABLE(from,to) \
+ __ASM_EX_SEC \
+ _ASM_ALIGN "\n" \
+ _ASM_PTR #from "," #to "\n" \
+ " .previous\n"
+
+#endif /* _ASM_X86_ASM_H */